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| Phone | AT&T Vista | Sanyo MM-8300 | LG AX-390 / UX-390 | AT&T Maestro 3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
? | ? |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 2,450 mAh | 1,000 mAh | 1,000 mAh | 3,900 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761V) | ? | ? | 2 GHz MediaTek Helio A22 (MT6761) |
| RAM | 3 GB | ? | ? | 3 GB |
| Storage | 32 GB | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | 8 megapixel | Yes | - | 13 megapixel |
| Wide Camera | - | - | - | 5 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | QCIF (176 x 144) | - | 1080p HD |
| Front Camera | 5 megapixel | - | - | 5 megapixel |
| Weight |
5.51 oz (156g) |
3.6 oz (102g) |
3.74 oz (106g) |
6.24 oz (177g) |
| Dimensions |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.35" x 1.85" x 0.97" (85 x 47 x 24.6 mm) |
3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm) |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 12, 14, 30 |
| Data Technology | LTE (Cat 4) | 1xRTT | 1xRTT | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | Yes | Yes | - | Yes |
| GPS / Location | n/a | Yes | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | - | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| USB |
Yes USB Type C |
Yes | - |
Yes USB Type C |
| Wi-Fi | Yes | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | Yes | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| MMS | n/a | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | Yes | - | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| BREW | n/a | - | Yes | n/a |
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | - | n/a |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| HD Voice | Yes | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | Yes | n/a |
| Push-To-Talk | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| AT&T Vista | Sanyo MM-8300 | LG AX-390 / UX-390 | AT&T Maestro 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Vista | Sanyo MM-8300 | LG AX-390 / UX-390 | AT&T Maestro 3 |
